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Tarzan has foolishly gotten himself into another scrape with the animals and must be rescued once...

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Physics

Tarzan has foolishly gotten himself into another scrape with theanimals and must be rescued once again by Jane. The 60.0 kg Janestarts from rest at a height of 5.50 m in the trees and swings downto the ground using a thin, but very rigid, 32.0 kg vine 8.50 mlong. She arrives just in time to snatch the 72.0 kg Tarzan fromthe jaws of an angry hippopotamus. What is Jane's (and the vine's)angular speedHow high will Tarzan and Jane go on their first swingafter this daring rescue?

Answer & Explanation Solved by verified expert
4.5 Ratings (661 Votes)
Change in gravitational potential energy for Jane PEj MgH Change in gravitational potential energy for vine PEv mgH2 I moment of inertia of vine mL23 Rotational kientic energy of vine KEr 12Iw2 12mL2w23 Janes KE 12Mv2 KEj 12MwL2 Kinetic energy after equals the change in the    See Answer
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